try

src/main/java/com/zipcodewilmington/danny_do_better_exercises/StringUtilities.java

      * @return the first sequence of characters
      */
     public static String getFirstWord(String spaceDelimitedString){
-        return null;
+
+        return spaceDelimitedString.split(" ")[0];
     }
 
     /**
      * @return the second word of a string delimited by spaces.
      */
     public static String getSecondWord(String spaceDelimitedString){
-        return null;
+
+        return spaceDelimitedString.split(" ")[1];
     }
 
     /**